The Washer,flat, cataloged under National Stock Number 5310-01-082-6170, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-082-6170 |
| Primary Part Number | 174071 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BOTTOM |
| Surface Finish | 63.0 MICROINCHES TOP |
| Width Across Flats | 2.000 INCHES NOMINAL IN |
| Length | 2.375 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | RECTANGULAR |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.252 INCHES MINIMUM AND 1.262 INCHES MAXIMUM IN |
| Thickness | 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 174071 PRIMARY | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| Reference | Meaning |
|---|---|
| 9056030 | 5/9 Secondary reference U.S. Government activity |
| 174071 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 5310-01-082-6170 is a Washer,flat, manufactured by Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-082-6170 has 1 manufacturer part number on file: 174071 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-167-8523. Verify interchangeability with system specifications before substitution.
Key specifications for 174071: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES TOP; Width Across Flats: 2.000 INCHES NOMINAL IN; Length: 2.375 INCHES NOMINAL IN. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.